From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751993AbbJTCag (ORCPT ); Mon, 19 Oct 2015 22:30:36 -0400 Received: from relay1.mentorg.com ([192.94.38.131]:46350 "EHLO relay1.mentorg.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750885AbbJTCae (ORCPT ); Mon, 19 Oct 2015 22:30:34 -0400 From: Jiada Wang To: , CC: , , Subject: [PATCH] usb: chipidea: udc: clear vbus_active flag in udc_stop Date: Tue, 20 Oct 2015 11:29:18 +0900 Message-ID: <1445308158-23100-1-git-send-email-jiada_wang@mentor.com> X-Mailer: git-send-email 2.4.5 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently in udc_stop, if vbus_active flag is true, all USB activities will be stopped, but vbus_active flag is still left to be true, this causes issue, when afterwards driver tries to connect gadget device to host, But due to the uncleared vbus_active, some necessary setup steps are skipped. This patch clears vbus_active flag in udc_stop callback. Signed-off-by: Jiada Wang --- drivers/usb/chipidea/udc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 8223fe7..b9ac228 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1762,6 +1762,7 @@ static int ci_udc_stop(struct usb_gadget *gadget) spin_lock_irqsave(&ci->lock, flags); if (ci->vbus_active) { + ci->vbus_active = 0; hw_device_state(ci, 0); if (ci->platdata->notify_event) ci->platdata->notify_event(ci, -- 2.4.5